YKK Vislon #10 Lock Slide 120-inch in blue combines heavy duty molded plastic teeth with a double pull slider for smooth, reliable separating zipper performance. Designed to resist corrosion, UV exposure, and chemicals, this plastic zipper is built for marine and outdoor applications, offering durability and long-lasting function in harsh environments. Its locking slider mechanism ensures secure closure, making it an ideal choice for enhancing outdoor spaces with a rugged, dependable zipper solution.